What is UltraHumanizer?

UltraHumanizer is a free online tool that humanizes AI-generated text, making it sound more natural and human-like. It is designed to help users refine drafts from AI writing tools while keeping the original meaning, tone, and key details intact. The tool is currently in early access and completely free to use without requiring sign-up or a credit card.

How to use UltraHumanizer?

To use UltraHumanizer, paste your AI-generated text into the input box or upload a document (DOCX, PDF, PPTX, ODT, RTF, TXT, MD, TEX, up to 20 MB). Optionally, open the Controls to customize the rewrite by setting target length, reading level, rewrite strength, and exact terms to keep. Then click the 'Humanize text' button to generate the humanized result.

Core features of UltraHumanizer

100% free during early access
No sign-up or credit card required
Customizable rewrite controls (length, reading level, strength, terms to keep)
Supports document upload (DOCX, PDF, PPTX, ODT, RTF, TXT, MD, TEX) up to 20 MB
Works with popular AI detectors (Turnitin, GPTZero, Copyleaks, ZeroGPT, QuillBot, Writer, Sapling)
Preserves meaning, tone, and key details
Provides real-world examples and customer reviews